#64191A#64191A

#64191A is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.9% C 0.107 H 24.3°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX#64191A
RGBrgb(100, 25, 26)
HSLhsl(359, 60%, 25%)
HSVhsv(359, 75%, 39%)
CMYKcmyk(0%, 75%, 74%, 60.8%)
CIE-LABlab(21.87, 33.50, 19.08)
CIE-LCHlch(21.87, 38.55, 29.66°)
OKLaboklab(33.94% 0.0978 0.0441)
OKLCHoklch(33.94% 0.107 24.3)
XYZxyz(5.7902, 3.4800, 1.3439)
Luminance0.0348 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64191A #196463
analogous
#641940 #64191A #643E19
triadic
#64191A #1A6419 #191A64
tetradic
#64191A #406419 #196463 #3E1964
square
#64191A #406419 #196463 #3E1964
split-complementary
#64191A #19643E #194064
monochromatic
#180606 #330D0D #64191A #952527 #C63133

Accessibility & contrast

On white

12.38
#64191A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.70
#64191A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64191A
12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64191A#FFFFFF#000000##FFFFFF
##64191A1.0012.381.7012.38
#FFFFFF12.381.0021.001.00
#0000001.7021.001.0021.00
##FFFFFF12.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E2A19
Deuteranopia (green-blind)
#413A18
Tritanopia (blue-blind)
#6E021A
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #64191a;
/* rgb */ color: rgb(100, 25, 26);
/* oklch */ color: oklch(33.9% 0.107 24.3);
Tailwind
colors: {
  custom: {
    50: '#965c56',
    500: '#64191a',
    950: '#000000',
  },
}
SCSS
$custom: #64191a;
$custom-light: #965c56;
$custom-dark: #000000;
JSON
{
  "hex": "#64191a",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 26
  },
  "hsl": {
    "h": 359.2,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33941,
    "c": 0.10732,
    "h": 24.3
  },
  "luminance": 0.03479
}

Semantic roles & 50–950 ramp

primary
#64191A
secondary
#3F9A99
accent
#E3E145
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0F0403
muted
#7E7978

Preview Lab

Preview with #64191A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#64191A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva